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Most Recent Articles

Appraising Blue Sapphires

Appraising blue sapphires is a critical skill for any jeweler or gemologist. Learn the basics you’ll need to evaluate one of the most popular…

Eight Famous Rubies

Blood red ruby gems have captivated people’s hearts and imaginations for centuries. Read about these eight famous rubies and what makes them special.…

Ruby and Sapphire Grading Tools

What ruby and sapphire grading tools does a novice gemologist need? Learn how basic gemological equipment can help you identify these popular…

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